A FINE ART NOUVEAU OPAL, TSAVORITE GARNET, DIAMOND AND ENAMEL DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold, set with an oval cabochon opal of approximately 13.00 carats, the shoulders set with round cut tsavorite garnets and old cut diamonds, relieved in green enamel, stamped 18K, size 6.75, 14.4g
